Class: PDF::Core::FilterList

Inherits:
Object
  • Object
show all
Defined in:
lib/pdf/core/filter_list.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FilterList

Returns a new instance of FilterList.



4
5
6
 
# File 'lib/pdf/core/filter_list.rb', line 4

def initialize
  @list = []
end

Instance Method Details

#<<(filter) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/pdf/core/filter_list.rb', line 8

def <<(filter)
  case filter
  when Symbol
    @list << [filter, nil]
  when ::Hash
    filter.each do |name, params|
      @list << [name, params]
    end
  else
    raise "Can not interpret input as filter: #{filter.inspect}"
  end

  self
end

#decode_params ⇒ Object 



34
35
36
37
38
 
# File 'lib/pdf/core/filter_list.rb', line 34

def decode_params
  @list.map do |(_, params)|
    params
  end
end

#each(&block) ⇒ Object 



44
45
46
47
48
 
# File 'lib/pdf/core/filter_list.rb', line 44

def each(&block)
  @list.each do |filter|
    block.call(filter)
  end
end

#inspect ⇒ Object 



40
41
42
 
# File 'lib/pdf/core/filter_list.rb', line 40

def inspect
  @list.inspect
end

#names ⇒ Object 



28
29
30
31
32
 
# File 'lib/pdf/core/filter_list.rb', line 28

def names
  @list.map do |(name, _)|
    name
  end
end

#normalized ⇒ Object Also known as: to_a 



23
24
25
 
# File 'lib/pdf/core/filter_list.rb', line 23

def normalized
  @list
end